Advanced Consumer Electronics, Inc.  CPI Security Broadview Security ADT Security
 Two- Way Voice Communication  Optional  Optional  No  Yes
 Wireless Door/Window Transmitters  3  2  2  2
 Interior Siren  1  1  1  1
 Wireless Motion Detector  1  1  1  1
 Keypad  1  1 1  1
 Package Cost  $99.00  $99.00  $149.00  $249.00
 Extra Door/Window Transmitters  $60.00  $75.00  $75.00  $52.00
 Contract Length  36 Months  36 Months  36 Months  36 Months
 Monthly Monitoring  $24.95  $32.95  $33.99  $37.99
 Total Cost for 36 Months  $997.20  $1285.20  $1,372.64  $1,616.64
 Total Cost Difference  $288.00 More  $375.44 More  $619.44 More